[] () (used about a contract or a loan) that must finish or be paid back at a fixed time in the future限期的（用于合同或贷款，须在未来之固定日子里完成或支付的） () used to describe a type of investment company that can only issue a fixed number of shares限额的，封闭的（指只能发行固定数量股票的投资公司）◆a closed-end fund封闭式基金OPPopen-ended